Can't access the app

[Aleks-Levet]

here's the error:

Traceback (most recent call last):
File "", line 198, in run_module_as_main
File "", line 88, in run_code
File "C:\Users\aleks\AppData\Local\Programs\Python\Python311\Scripts\unitunes.exe_main.py", line 2, in
File "C:\Users\aleks\AppData\Local\Programs\Python\Python311\Lib\site-packages\unitunes_init.py", line 1, in
from .main import PlaylistManager
File "C:\Users\aleks\AppData\Local\Programs\Python\Python311\Lib\site-packages\unitunes\main.py", line 18, in
from unitunes.services.beatsaber import (
File "C:\Users\aleks\AppData\Local\Programs\Python\Python311\Lib\site-packages\unitunes\services\beatsaber.py", line 3, in
from platformdirs import user_documents_dir
ModuleNotFoundError: No module named 'platformdirs'